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Related papers: Mitigating Hallucination in Multimodal Large Langu…

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Direct Preference Optimization (DPO) has emerged as an effective approach for mitigating hallucination in Multimodal Large Language Models (MLLMs). Although existing methods have achieved significant progress by utilizing vision-oriented…

Artificial Intelligence · Computer Science 2025-12-23 Wenqi Liu , Xuemeng Song , Jiaxi Li , Yinwei Wei , Na Zheng , Jianhua Yin , Liqiang Nie

Multimodal large language models have made significant advancements in recent years, yet they still suffer from a common issue known as the "hallucination problem", in which the models generate textual descriptions that inaccurately depict…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Zhiyuan Zhao , Bin Wang , Linke Ouyang , Xiaoyi Dong , Jiaqi Wang , Conghui He

Direct Preference Optimization (DPO) has shown strong potential for mitigating hallucinations in Multimodal Large Language Models (MLLMs). However, existing multimodal DPO approaches often suffer from overfitting due to the difficulty…

Artificial Intelligence · Computer Science 2026-01-05 Longtian Qiu , Shan Ning , Chuyu Zhang , Jiaxuan Sun , Xuming He

Large vision-language models (LVLMs) suffer from hallucination, resulting in misalignment between the output textual response and the input visual content. Recent research indicates that the over-reliance on the Large Language Model (LLM)…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Yuxi Xie , Guanzhen Li , Xiao Xu , Min-Yen Kan

Multimodal Large Language Models (MLLMs) emerge as a unified interface to address a multitude of tasks, ranging from NLP to computer vision. Despite showcasing state-of-the-art results in many benchmarks, a long-standing issue is the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Alberto Compagnoni , Davide Caffagni , Nicholas Moratelli , Lorenzo Baraldi , Marcella Cornia , Rita Cucchiara

Large Visual Language Models (LVLMs) have demonstrated impressive capabilities across multiple tasks. However, their trustworthiness is often challenged by hallucinations, which can be attributed to the modality misalignment and the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Jiulong Wu , Zhengliang Shi , Shuaiqiang Wang , Jizhou Huang , Dawei Yin , Lingyong Yan , Min Cao , Min Zhang

Multimodal Large Reasoning Models introduce the reasoning paradigm, demonstrating strong capabilities on complex vision-language tasks. However, they still suffer from severe hallucinations. Existing training-based methods typically…

Artificial Intelligence · Computer Science 2026-05-28 Jiawei Kong , Hao Fang , Shunxiang Liao , Jinyu Li , Bin Chen , Hao Wu , Shu-Tao Xia , Min Zhang

Hallucination remains a major challenge for Large Vision-Language Models (LVLMs). Direct Preference Optimization (DPO) has gained increasing attention as a simple solution to hallucination issues. It directly learns from constructed…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Zhihe Yang , Xufang Luo , Dongqi Han , Yunjian Xu , Dongsheng Li

Direct preference optimization (DPO) has shown to be an effective method for large language model (LLM) alignment. Recent works have attempted to apply DPO to multimodal scenarios but have found it challenging to achieve consistent…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Fei Wang , Wenxuan Zhou , James Y. Huang , Nan Xu , Sheng Zhang , Hoifung Poon , Muhao Chen

Hallucination remains a fundamental challenge in vision-language models (VLMs), where autoregressive generation may produce linguistically plausible yet physically inconsistent or visually ungrounded responses due to likelihood maximization…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Qinwu Xu

Direct Preference Optimization (DPO) has proven to be an effective solution for mitigating hallucination in Multimodal Large Language Models (MLLMs) by learning from preference pairs. One of its key challenges lies in how to transfer the…

Machine Learning · Computer Science 2026-05-07 Huatian Zhang , Zhendong Mao , Lei Zhang , Yongdong Zhang

Omni-modal large language models (omni LLMs) have recently achieved strong performance across audiovisual understanding tasks, yet they remain highly susceptible to cross-modal hallucinations arising from spurious correlations and dominant…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Ashutosh Chaubey , Jiacheng Pang , Mohammad Soleymani

Multimodal Large Language Models (MLLMs) have significantly improved the performance of various tasks, but continue to suffer from visual hallucinations, a critical issue where generated responses contradict visual evidence. While Direct…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Yuanshuai Li , Yuping Yan , Junfeng Tang , Yunxuan Li , Zeqi Zheng , Yaochu Jin

Multimodal Large Language Models (MLLMs) still struggle with hallucinations despite their impressive capabilities. Recent studies have attempted to mitigate this by applying Direct Preference Optimization (DPO) to multimodal scenarios using…

Computation and Language · Computer Science 2025-01-29 Jinlan Fu , Shenzhen Huangfu , Hao Fei , Xiaoyu Shen , Bryan Hooi , Xipeng Qiu , See-Kiong Ng

Direct Preference Optimization (DPO) is a powerful paradigm for aligning Large Language Models (LLMs) to human preferences in Machine Translation (MT), but current methods are hindered by two fundamental challenges: (1) flawed reward…

Computation and Language · Computer Science 2025-10-16 Hao Wang , Linlong Xu , Heng Liu , Yangyang Liu , Xiaohu Zhao , Bo Zeng , Liangying Shao , Longyue Wang , Weihua Luo , Kaifu Zhang

The advancement of Large Vision-Language Models (LVLMs) has propelled their application in the medical field. However, Medical LVLMs (Med-LVLMs) encounter factuality challenges due to modality misalignment, where the models prioritize…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Kangyu Zhu , Peng Xia , Yun Li , Hongtu Zhu , Sheng Wang , Huaxiu Yao

Recently, large vision-language models (LVLMs) have risen to be a promising approach for multimodal tasks. However, principled hallucination mitigation remains a critical challenge.In this work, we first analyze the data generation process…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Chengzhi Yu , Yifan Xu , Yifan Chen , Wenyi Zhang

Despite recent successes, LVLMs or Large Vision Language Models are prone to hallucinating details like objects and their properties or relations, limiting their real-world deployment. To address this and improve their robustness, we…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Yassine Ouali , Adrian Bulat , Brais Martinez , Georgios Tzimiropoulos

Preference alignment has become a crucial component in enhancing the performance of Large Language Models (LLMs), yet its impact in Multimodal Large Language Models (MLLMs) remains comparatively underexplored. Similar to language models,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Elmira Amirloo , Jean-Philippe Fauconnier , Christoph Roesmann , Christian Kerl , Rinu Boney , Yusu Qian , Zirui Wang , Afshin Dehghan , Yinfei Yang , Zhe Gan , Peter Grasch

Multimodal Large Language Models (MLLMs) frequently suffer from hallucination issues, generating information about objects that are not present in input images during vision-language tasks. These hallucinations particularly undermine model…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Dokyoon Yoon , Youngsook Song , Woomyong Park
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